package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

/*
JDBC java数据库链接
 */
public class Demo1 {
    public static void main(String[] args) throws ClassNotFoundException, SQLException {
        /*
        com.mysql.cj.jdbc.Driver
         */
        //1.加载驱动(每种数据驱动的类名和包名都是固定的)
        Class.forName("com.mysql.cj.jdbc.Driver");
        //2
        Connection connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root");
        System.out.println("与数据库建立连接");
        //3
        Statement statement = connection.createStatement();
        /*
        执行DDL语句
        创建一张表
        CREATE TABLE user(
        id INT PRIMARY KEY AUTO_INCREMENT,
        username VARCHAR(32),
        password VARCHAR(32),
        nickname VARCHAR(32),
        age INT(3)
        )
         */
        String sql = "CREATE TABLE user(\n" +
                "        id INT PRIMARY KEY AUTO_INCREMENT,\n" +
                "        username VARCHAR(32),\n" +
                "        password VARCHAR(32),\n" +
                "        nickname VARCHAR(32),\n" +
                "        age INT(3)\n" +
                "        )";
        statement.execute(sql);
        System.out.println("执行成功");
        connection.close();






    }
}
